Samsung
OCsystem did the same to me... And I read about why they should be boycotted too late to cancel my order. The pic on their site clearly shows a mem stick with 8 chips on the side facing the camera, but the stick I got has 4 chips on each side of the PCB. The chips are genuine, the PCB and performance are not.
I spoke with a rep. on the phone, and they are willing to replace it for me, since I complained (as politely as I could) that I was mislead into thinking I had ordered genuine Samsung memory, made by Samsung, not Powmem.
Now that OCZ has kindly replaced a dead stick for me(so I have a something in the meantime), I will send the Samsung back to OCsystem and request either the real stuff or a stick of Kingmax.
If you handle it correctly , all it should take is holding your temper, making a long distance phone call, paying shipping one way... and waiting a week or two! That's still a lot of BS considering they were the ones who were unclear in the presentation of their product, but at least you should be able get something else for less than the 20% they want to charge you.
From now on, I'll just order memory from newegg and newegg only. I've had enough of trying to save money by ordering memory elsewhere, because it seems like you get what you pay for and memory is not something to skimp on.